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pedesis

pedesis

9.9
Random movement of tiny particles in a liquid or gas caused by hits from molecules
  • noun
  • /pəˈdēsəs/
  • Specialized
translation icon : pedesis
  • Scientists studied pedesis to understand how microscopic particles move randomly in a fluid due to collisions with molecules.

Examples

  • The phenomenon of pedesis can be observed under a microscope when watching pollen grains in water.

  • Scientists studied pedesis to understand how microscopic particles interact with molecules in a liquid.

  • The explanation of pedesis played a key role in the development of the atomic theory of matter.

  • The process of pedesis is fascinating.

  • What is pedesis?

  • The phenomenon of pedesis can be observed when observing pollen grains suspended in water under a microscope.

  • Researchers are examining pedesis to learn more about the behavior of tiny particles in liquids.

Synonyms

Brownian motion
vspedesis
  • Specialized
1 7.3

Tiny particles in a liquid or gas move randomly when molecules hit them

is the same idea but focuses on collisions with molecules generally
Brownian movement
vspedesis
  • Specialized
7.6

Random movement of tiny particles in a liquid or gas when molecules hit them

is the same idea but uses a broader term for particle size

Surface Forms

pedesis singular
pedeses plural

Etymology

Pedesis comes from the Greek word πήδησις, which means 'a jump' or 'leap'. So, scientists use this word because tiny particles in a liquid look like they are making quick, random 'jumps' when they are hit by the liquid's molecules.